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Advances in Biological Activities and Application of Plant Extracts, 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Biosciences and Bioengineering".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1268

Special Issue Editors


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Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, 4 Berdychowo Street, 60-965 Poznań, Poland
Interests: LC-MS/MS; ITP; solid phase extraction; liquid–liquid extraction; non-ionic surfactant; selenium speciation; pharmaceutical residues
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Special Issue Information

Dear Colleagues,

This Special Issue titled “Advances in Biological Activities and Application of Plant Extracts, 2nd Edition” focuses on the biological activity of plant extracts. From time immemorial, plant extracts and essential oils from plants have been used for therapeutic purposes. A number of phytochemicals—secondary metabolites such as polyphenols, carotenoids, polysaccharides, or volatile oils—are responsible for their medicinal properties. These bioactive phytochemicals from plants can limit or regulate the imbalance generated by reactive oxygen species, which can lead to inflammatory, neurodegenerative, cardiovascular, immune, and metabolic dysfunctions, or even the appearance of tumors. In addition, the anti-inflammatory properties of certain plant extracts are exploited to fight pathogens, bacteria, fungi, and viruses.

Plant extracts are an important source of antioxidants and anti-inflammatory compounds and are of scientific interest. Many studies are being conducted in order to identify their mechanisms of action. Considering the aforementioned global circumstances, we would like to encourage leading scientists working on the topics of bioactive food, as well as studying the biological activities of novel plant extracts, to submit original research or review papers. In particular, we welcome those that address any aspect of the use of novel bioactive compounds for food production or human nutrition. Papers on the study of medicinal plant bioactivity are also welcome.

You may choose our Joint Special Issue in Foods.

Dr. Przemysław Kowalczewski
Dr. Joanna Zembrzuska
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biological activity
  • plant extracts
  • bioactive food
  • biological compounds
  • natural products
  • medicinal plants bioactivity

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Published Papers (1 paper)

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Research

25 pages, 2984 KiB  
Article
Antioxidative and Photoprotective Activity of Pinus nigra, Pinus strobus and Pinus mugo
by Daria Oshetkova and Adam Klimowicz
Appl. Sci. 2025, 15(1), 209; https://doi.org/10.3390/app15010209 - 29 Dec 2024
Viewed by 955
Abstract
Substances that delay the skin aging process have become very popular lately. Undoubtedly, this is influenced by all kinds of efforts to maintain a youthful appearance for as long as possible. Plant-derived antioxidants are a group of compounds that exhibit protective properties against [...] Read more.
Substances that delay the skin aging process have become very popular lately. Undoubtedly, this is influenced by all kinds of efforts to maintain a youthful appearance for as long as possible. Plant-derived antioxidants are a group of compounds that exhibit protective properties against the degenerative effects of oxidative stress on skin aging. Another important factor that protects skin against aging is photoprotective agents. The comparison of antioxidant and photoprotective activities seems to be interesting. The aim of this study was to evaluate the antioxidant properties of Pinus strobus, Pinus nigra, and Pinus mugo extracts using two frequently applied methods, i.e., DPPH and ABTS. Moreover, the polyphenol content was evaluated using Folin–Ciocalteu method. The correlation between the polyphenol content, antioxidant potential of the extracts, and sun protection factor in vitro was evaluated. Extracts were prepared using methanol, ethanol, isopropanol, and n-propanol in three concentrations: 40% (v/v), 70% (v/v), and undiluted. Ultrasound-assisted extraction, which is a type of green extraction technique, was applied for 15, 30, or 60 min. The highest antioxidant activity determined by the DPPH and ABTS methods was observed for Pinus mugo extracts in 40% ethanol and 40% methanol, respectively, both after 15 min extraction. The highest total polyphenol content was also found in Pinus mugo extracts. These activities were significantly higher than those of Pinus strobus and Pinus nigra. Similarly, the highest SPF values were also found for Pinus mugo extracts. Moreover, a strong correlation was observed between the antioxidant potential and SPF—the highest values were found for the correlation between the SPF and antioxidant activity determined using the ABTS method. Based on the obtained results, Pinus mugo could be suggested as a possible component for use in cosmetics. Full article
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